NWS Forecast Office Houston/Galveston, TX

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Last Map Update: Fri, Oct 2, 2026 at 11:04:44 pm CDT

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Excessive Rainfall Outlook

Additional Rainfall Totals

Extended Outlook

Current radar

Periods of showers and thunderstorms continue tonight, with locally heavy rainfall possible. Rain early this morning will gradually taper off by early to mid-morning, before another round of rain with isolated storms returns this afternoon. Additional rounds of rain and storms will continue through the weekend, with the best chances for areas along and south of the I-10 corridor. The main timeframe of concern for moderate to heavy rainfall is late Saturday into Sunday.

Additional rainfall totals: less than 1.0” except where localized stronger storms occur expected today. Saturday through Monday, highest rainfall totals can be expected along and south of the I-10 corridor. 2-4” of rainfall spread out across several days. Most of the rainfall will occur late Saturday into Sunday.

High rain chances will continue across SE TX through the weekend as deep moisture remains in place and a slow moving front crosses the region. Slightly cooler and drier weather are expected early to mid next week behind the front.

Current Weather Observations...

Location	Time (CDT)	Weather	Vsby. (SM)	Temp. (ºF)	Dewpt. (ºF)	Hum. (%)	Wind (mph)	Wind Chill / Heat Index (ºF)	Pres. (in)
Bryan	22:35	Clear	10	76	73	90	N 6	-	30.01
College Station	21:53	Clear	10	78	73	84	NE 8	-	29.98
Caldwell	22:15	Clear	10	77	73	88	N 6	-	30.01
Huntsville	21:53	Clear	10	77	75	93	NNE 6	-	29.99
Navasota	22:35	Overcast	10	78	78	100	NNE 3	-	29.98
Brenham	22:35	Clear	10	77	74	90	N 3	-	29.98
Conroe	21:53	Mostly Cloudy	10	79	76	90	NNE 5	-	29.97
Cleveland	22:35	Overcast	10	75	73	93	CALM	-	30.00
Liberty	22:35	Light Rain	7	77	75	94	NNW 7	-	29.95
Columbus	22:35	Clear	10	76	73	90	CALM	-	29.98
Spring	21:53	Partly Cloudy	10	77	75	93	NE 6	-	29.96
Houston Intercontinental Aprt	21:53	Mostly Cloudy	10	78	75	90	NNE 6	-	29.96
Katy/Brookshire	22:35	Clear	8	75	75	100	CALM	-	29.98
Texas Medical Center Heliport	22:35	Overcast	10	78	73	83	VRB 7	-	29.96
Sugar Land	22:12	Mostly Clear	10	77	75	93	NNE 5	-	29.95
Houston Hobby Airport	21:53	Mostly Cloudy	10	81	74	79	ENE 6	-	29.94
Arcola/Sienna	22:35	Mostly Cloudy	10	80	75	86	NNE 7	-	29.96
Pearland	21:53	Light Rain	10	80	74	81	ENE 5	-	29.96
Ellington Field	20:54	Partly Cloudy	10	80	75	83	NE 7	-	29.92
La Porte	22:35	Overcast	10	80	75	83	NNE 7	-	29.97
Wharton	22:35	Clear	10	76	73	90	N 5	-	29.96
Galveston	07:46	Mostly Clear	10	82	73	74	SE 8	-	29.90
Bay City	22:35	Clear	9				NNE 7	-	29.90
Palacios	21:53	Clear	10	78	75	90	NNE 8	-	29.93
Rig 20 Miles SE of Galveston	22:40	Mostly Clear	10	84	77	79	NE 10	94 [HI]	29.94
Rig 20 Miles SE of Matagorda	22:35	Mostly Clear	10	86	77	74	NE 16	97 [HI]	29.95

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